root / target-sparc / op_helper.c @ 17c275d9
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#include "exec.h" |
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//#define DEBUG_PCALL
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//#define DEBUG_MMU
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void raise_exception(int tt) |
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{ |
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env->exception_index = tt; |
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cpu_loop_exit(); |
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} |
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|
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#ifdef USE_INT_TO_FLOAT_HELPERS
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void do_fitos(void) |
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{ |
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FT0 = int32_to_float32(*((int32_t *)&FT1), &env->fp_status); |
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} |
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|
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void do_fitod(void) |
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{ |
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DT0 = int32_to_float64(*((int32_t *)&FT1), &env->fp_status); |
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} |
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#endif
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void do_fabss(void) |
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{ |
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FT0 = float32_abs(FT1); |
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} |
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#ifdef TARGET_SPARC64
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void do_fabsd(void) |
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{ |
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DT0 = float64_abs(DT1); |
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} |
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#endif
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void do_fsqrts(void) |
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{ |
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FT0 = float32_sqrt(FT1, &env->fp_status); |
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} |
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void do_fsqrtd(void) |
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{ |
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DT0 = float64_sqrt(DT1, &env->fp_status); |
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} |
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#define GEN_FCMP(name, size, reg1, reg2, FS) \
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void glue(do_, name) (void) \ |
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{ \ |
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env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ |
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switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \
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case float_relation_unordered: \
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T0 = (FSR_FCC1 | FSR_FCC0) << FS; \ |
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if (env->fsr & FSR_NVM) { \
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env->fsr |= T0; \ |
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raise_exception(TT_FP_EXCP); \ |
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} else { \
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env->fsr |= FSR_NVA; \ |
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} \ |
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break; \
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case float_relation_less: \
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T0 = FSR_FCC0 << FS; \ |
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break; \
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case float_relation_greater: \
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T0 = FSR_FCC1 << FS; \ |
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break; \
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default: \
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T0 = 0; \
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break; \
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} \ |
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env->fsr |= T0; \ |
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} |
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GEN_FCMP(fcmps, float32, FT0, FT1, 0);
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GEN_FCMP(fcmpd, float64, DT0, DT1, 0);
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#ifdef TARGET_SPARC64
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GEN_FCMP(fcmps_fcc1, float32, FT0, FT1, 22);
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GEN_FCMP(fcmpd_fcc1, float64, DT0, DT1, 22);
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GEN_FCMP(fcmps_fcc2, float32, FT0, FT1, 24);
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GEN_FCMP(fcmpd_fcc2, float64, DT0, DT1, 24);
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GEN_FCMP(fcmps_fcc3, float32, FT0, FT1, 26);
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GEN_FCMP(fcmpd_fcc3, float64, DT0, DT1, 26);
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#endif
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#if defined(CONFIG_USER_ONLY)
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void helper_ld_asi(int asi, int size, int sign) |
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{ |
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} |
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void helper_st_asi(int asi, int size, int sign) |
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{ |
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} |
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#else
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#ifndef TARGET_SPARC64
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void helper_ld_asi(int asi, int size, int sign) |
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{ |
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uint32_t ret = 0;
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switch (asi) {
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case 3: /* MMU probe */ |
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{ |
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int mmulev;
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mmulev = (T0 >> 8) & 15; |
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if (mmulev > 4) |
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ret = 0;
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else {
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ret = mmu_probe(env, T0, mmulev); |
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//bswap32s(&ret);
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} |
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#ifdef DEBUG_MMU
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printf("mmu_probe: 0x%08x (lev %d) -> 0x%08x\n", T0, mmulev, ret);
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#endif
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} |
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break;
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case 4: /* read MMU regs */ |
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{ |
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int reg = (T0 >> 8) & 0xf; |
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ret = env->mmuregs[reg]; |
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if (reg == 3) /* Fault status cleared on read */ |
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env->mmuregs[reg] = 0;
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#ifdef DEBUG_MMU
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printf("mmu_read: reg[%d] = 0x%08x\n", reg, ret);
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#endif
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} |
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break;
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case 0x20 ... 0x2f: /* MMU passthrough */ |
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switch(size) {
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case 1: |
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ret = ldub_phys(T0); |
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break;
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case 2: |
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ret = lduw_phys(T0 & ~1);
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break;
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default:
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case 4: |
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ret = ldl_phys(T0 & ~3);
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break;
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case 8: |
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ret = ldl_phys(T0 & ~3);
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T0 = ldl_phys((T0 + 4) & ~3); |
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break;
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} |
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break;
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default:
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ret = 0;
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break;
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} |
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T1 = ret; |
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} |
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void helper_st_asi(int asi, int size, int sign) |
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{ |
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switch(asi) {
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case 3: /* MMU flush */ |
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{ |
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int mmulev;
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mmulev = (T0 >> 8) & 15; |
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#ifdef DEBUG_MMU
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printf("mmu flush level %d\n", mmulev);
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#endif
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switch (mmulev) {
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case 0: // flush page |
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tlb_flush_page(env, T0 & 0xfffff000);
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break;
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case 1: // flush segment (256k) |
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case 2: // flush region (16M) |
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case 3: // flush context (4G) |
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case 4: // flush entire |
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tlb_flush(env, 1);
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break;
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default:
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break;
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} |
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#ifdef DEBUG_MMU
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dump_mmu(env); |
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#endif
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return;
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} |
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case 4: /* write MMU regs */ |
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{ |
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int reg = (T0 >> 8) & 0xf; |
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uint32_t oldreg; |
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oldreg = env->mmuregs[reg]; |
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switch(reg) {
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case 0: |
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env->mmuregs[reg] &= ~(MMU_E | MMU_NF); |
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env->mmuregs[reg] |= T1 & (MMU_E | MMU_NF); |
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// Mappings generated during no-fault mode or MMU
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// disabled mode are invalid in normal mode
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if (oldreg != env->mmuregs[reg])
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tlb_flush(env, 1);
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break;
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case 2: |
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env->mmuregs[reg] = T1; |
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if (oldreg != env->mmuregs[reg]) {
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/* we flush when the MMU context changes because
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QEMU has no MMU context support */
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tlb_flush(env, 1);
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} |
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break;
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case 3: |
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case 4: |
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break;
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default:
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env->mmuregs[reg] = T1; |
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break;
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} |
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#ifdef DEBUG_MMU
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if (oldreg != env->mmuregs[reg]) {
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printf("mmu change reg[%d]: 0x%08x -> 0x%08x\n", reg, oldreg, env->mmuregs[reg]);
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} |
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dump_mmu(env); |
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#endif
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return;
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} |
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case 0x17: /* Block copy, sta access */ |
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{ |
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// value (T1) = src
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// address (T0) = dst
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// copy 32 bytes
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uint32_t src = T1, dst = T0; |
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uint8_t temp[32];
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tswap32s(&src); |
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cpu_physical_memory_read(src, (void *) &temp, 32); |
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cpu_physical_memory_write(dst, (void *) &temp, 32); |
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} |
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return;
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case 0x1f: /* Block fill, stda access */ |
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{ |
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// value (T1, T2)
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// address (T0) = dst
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// fill 32 bytes
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int i;
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uint32_t dst = T0; |
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uint64_t val; |
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val = (((uint64_t)T1) << 32) | T2;
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tswap64s(&val); |
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for (i = 0; i < 32; i += 8, dst += 8) { |
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cpu_physical_memory_write(dst, (void *) &val, 8); |
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} |
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} |
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return;
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case 0x20 ... 0x2f: /* MMU passthrough */ |
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{ |
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switch(size) {
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case 1: |
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stb_phys(T0, T1); |
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break;
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case 2: |
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stw_phys(T0 & ~1, T1);
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break;
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case 4: |
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default:
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stl_phys(T0 & ~3, T1);
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break;
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case 8: |
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stl_phys(T0 & ~3, T1);
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stl_phys((T0 + 4) & ~3, T2); |
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break;
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} |
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} |
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return;
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default:
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return;
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} |
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} |
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#else
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void helper_ld_asi(int asi, int size, int sign) |
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{ |
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uint64_t ret = 0;
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if (asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
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raise_exception(TT_PRIV_ACT); |
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switch (asi) {
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case 0x14: // Bypass |
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case 0x15: // Bypass, non-cacheable |
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{ |
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switch(size) {
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case 1: |
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ret = ldub_phys(T0); |
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break;
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case 2: |
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ret = lduw_phys(T0 & ~1);
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break;
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case 4: |
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ret = ldl_phys(T0 & ~3);
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break;
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default:
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case 8: |
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ret = ldq_phys(T0 & ~7);
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break;
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} |
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break;
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} |
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case 0x04: // Nucleus |
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case 0x0c: // Nucleus Little Endian (LE) |
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case 0x10: // As if user primary |
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case 0x11: // As if user secondary |
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case 0x18: // As if user primary LE |
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case 0x19: // As if user secondary LE |
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case 0x1c: // Bypass LE |
315 |
case 0x1d: // Bypass, non-cacheable LE |
316 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
317 |
case 0x2c: // Nucleus quad LDD 128 bit atomic |
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case 0x4a: // UPA config |
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case 0x82: // Primary no-fault |
320 |
case 0x83: // Secondary no-fault |
321 |
case 0x88: // Primary LE |
322 |
case 0x89: // Secondary LE |
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case 0x8a: // Primary no-fault LE |
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case 0x8b: // Secondary no-fault LE |
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// XXX
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break;
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case 0x45: // LSU |
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ret = env->lsu; |
329 |
break;
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case 0x50: // I-MMU regs |
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{ |
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int reg = (T0 >> 3) & 0xf; |
333 |
|
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ret = env->immuregs[reg]; |
335 |
break;
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} |
337 |
case 0x51: // I-MMU 8k TSB pointer |
338 |
case 0x52: // I-MMU 64k TSB pointer |
339 |
case 0x55: // I-MMU data access |
340 |
// XXX
|
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break;
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342 |
case 0x56: // I-MMU tag read |
343 |
{ |
344 |
unsigned int i; |
345 |
|
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for (i = 0; i < 64; i++) { |
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// Valid, ctx match, vaddr match
|
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if ((env->itlb_tte[i] & 0x8000000000000000ULL) != 0 && |
349 |
env->itlb_tag[i] == T0) { |
350 |
ret = env->itlb_tag[i]; |
351 |
break;
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} |
353 |
} |
354 |
break;
|
355 |
} |
356 |
case 0x58: // D-MMU regs |
357 |
{ |
358 |
int reg = (T0 >> 3) & 0xf; |
359 |
|
360 |
ret = env->dmmuregs[reg]; |
361 |
break;
|
362 |
} |
363 |
case 0x5e: // D-MMU tag read |
364 |
{ |
365 |
unsigned int i; |
366 |
|
367 |
for (i = 0; i < 64; i++) { |
368 |
// Valid, ctx match, vaddr match
|
369 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) != 0 && |
370 |
env->dtlb_tag[i] == T0) { |
371 |
ret = env->dtlb_tag[i]; |
372 |
break;
|
373 |
} |
374 |
} |
375 |
break;
|
376 |
} |
377 |
case 0x59: // D-MMU 8k TSB pointer |
378 |
case 0x5a: // D-MMU 64k TSB pointer |
379 |
case 0x5b: // D-MMU data pointer |
380 |
case 0x5d: // D-MMU data access |
381 |
case 0x48: // Interrupt dispatch, RO |
382 |
case 0x49: // Interrupt data receive |
383 |
case 0x7f: // Incoming interrupt vector, RO |
384 |
// XXX
|
385 |
break;
|
386 |
case 0x54: // I-MMU data in, WO |
387 |
case 0x57: // I-MMU demap, WO |
388 |
case 0x5c: // D-MMU data in, WO |
389 |
case 0x5f: // D-MMU demap, WO |
390 |
case 0x77: // Interrupt vector, WO |
391 |
default:
|
392 |
ret = 0;
|
393 |
break;
|
394 |
} |
395 |
T1 = ret; |
396 |
} |
397 |
|
398 |
void helper_st_asi(int asi, int size, int sign) |
399 |
{ |
400 |
if (asi < 0x80 && (env->pstate & PS_PRIV) == 0) |
401 |
raise_exception(TT_PRIV_ACT); |
402 |
|
403 |
switch(asi) {
|
404 |
case 0x14: // Bypass |
405 |
case 0x15: // Bypass, non-cacheable |
406 |
{ |
407 |
switch(size) {
|
408 |
case 1: |
409 |
stb_phys(T0, T1); |
410 |
break;
|
411 |
case 2: |
412 |
stw_phys(T0 & ~1, T1);
|
413 |
break;
|
414 |
case 4: |
415 |
stl_phys(T0 & ~3, T1);
|
416 |
break;
|
417 |
case 8: |
418 |
default:
|
419 |
stq_phys(T0 & ~7, T1);
|
420 |
break;
|
421 |
} |
422 |
} |
423 |
return;
|
424 |
case 0x04: // Nucleus |
425 |
case 0x0c: // Nucleus Little Endian (LE) |
426 |
case 0x10: // As if user primary |
427 |
case 0x11: // As if user secondary |
428 |
case 0x18: // As if user primary LE |
429 |
case 0x19: // As if user secondary LE |
430 |
case 0x1c: // Bypass LE |
431 |
case 0x1d: // Bypass, non-cacheable LE |
432 |
case 0x24: // Nucleus quad LDD 128 bit atomic |
433 |
case 0x2c: // Nucleus quad LDD 128 bit atomic |
434 |
case 0x4a: // UPA config |
435 |
case 0x88: // Primary LE |
436 |
case 0x89: // Secondary LE |
437 |
// XXX
|
438 |
return;
|
439 |
case 0x45: // LSU |
440 |
{ |
441 |
uint64_t oldreg; |
442 |
|
443 |
oldreg = env->lsu; |
444 |
env->lsu = T1 & (DMMU_E | IMMU_E); |
445 |
// Mappings generated during D/I MMU disabled mode are
|
446 |
// invalid in normal mode
|
447 |
if (oldreg != env->lsu) {
|
448 |
#ifdef DEBUG_MMU
|
449 |
printf("LSU change: 0x%" PRIx64 " -> 0x%" PRIx64 "\n", oldreg, env->lsu); |
450 |
dump_mmu(env); |
451 |
#endif
|
452 |
tlb_flush(env, 1);
|
453 |
} |
454 |
return;
|
455 |
} |
456 |
case 0x50: // I-MMU regs |
457 |
{ |
458 |
int reg = (T0 >> 3) & 0xf; |
459 |
uint64_t oldreg; |
460 |
|
461 |
oldreg = env->immuregs[reg]; |
462 |
switch(reg) {
|
463 |
case 0: // RO |
464 |
case 4: |
465 |
return;
|
466 |
case 1: // Not in I-MMU |
467 |
case 2: |
468 |
case 7: |
469 |
case 8: |
470 |
return;
|
471 |
case 3: // SFSR |
472 |
if ((T1 & 1) == 0) |
473 |
T1 = 0; // Clear SFSR |
474 |
break;
|
475 |
case 5: // TSB access |
476 |
case 6: // Tag access |
477 |
default:
|
478 |
break;
|
479 |
} |
480 |
env->immuregs[reg] = T1; |
481 |
#ifdef DEBUG_MMU
|
482 |
if (oldreg != env->immuregs[reg]) {
|
483 |
printf("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->immuregs[reg]); |
484 |
} |
485 |
dump_mmu(env); |
486 |
#endif
|
487 |
return;
|
488 |
} |
489 |
case 0x54: // I-MMU data in |
490 |
{ |
491 |
unsigned int i; |
492 |
|
493 |
// Try finding an invalid entry
|
494 |
for (i = 0; i < 64; i++) { |
495 |
if ((env->itlb_tte[i] & 0x8000000000000000ULL) == 0) { |
496 |
env->itlb_tag[i] = env->immuregs[6];
|
497 |
env->itlb_tte[i] = T1; |
498 |
return;
|
499 |
} |
500 |
} |
501 |
// Try finding an unlocked entry
|
502 |
for (i = 0; i < 64; i++) { |
503 |
if ((env->itlb_tte[i] & 0x40) == 0) { |
504 |
env->itlb_tag[i] = env->immuregs[6];
|
505 |
env->itlb_tte[i] = T1; |
506 |
return;
|
507 |
} |
508 |
} |
509 |
// error state?
|
510 |
return;
|
511 |
} |
512 |
case 0x55: // I-MMU data access |
513 |
{ |
514 |
unsigned int i = (T0 >> 3) & 0x3f; |
515 |
|
516 |
env->itlb_tag[i] = env->immuregs[6];
|
517 |
env->itlb_tte[i] = T1; |
518 |
return;
|
519 |
} |
520 |
case 0x57: // I-MMU demap |
521 |
// XXX
|
522 |
return;
|
523 |
case 0x58: // D-MMU regs |
524 |
{ |
525 |
int reg = (T0 >> 3) & 0xf; |
526 |
uint64_t oldreg; |
527 |
|
528 |
oldreg = env->dmmuregs[reg]; |
529 |
switch(reg) {
|
530 |
case 0: // RO |
531 |
case 4: |
532 |
return;
|
533 |
case 3: // SFSR |
534 |
if ((T1 & 1) == 0) { |
535 |
T1 = 0; // Clear SFSR, Fault address |
536 |
env->dmmuregs[4] = 0; |
537 |
} |
538 |
env->dmmuregs[reg] = T1; |
539 |
break;
|
540 |
case 1: // Primary context |
541 |
case 2: // Secondary context |
542 |
case 5: // TSB access |
543 |
case 6: // Tag access |
544 |
case 7: // Virtual Watchpoint |
545 |
case 8: // Physical Watchpoint |
546 |
default:
|
547 |
break;
|
548 |
} |
549 |
env->dmmuregs[reg] = T1; |
550 |
#ifdef DEBUG_MMU
|
551 |
if (oldreg != env->dmmuregs[reg]) {
|
552 |
printf("mmu change reg[%d]: 0x%08" PRIx64 " -> 0x%08" PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]); |
553 |
} |
554 |
dump_mmu(env); |
555 |
#endif
|
556 |
return;
|
557 |
} |
558 |
case 0x5c: // D-MMU data in |
559 |
{ |
560 |
unsigned int i; |
561 |
|
562 |
// Try finding an invalid entry
|
563 |
for (i = 0; i < 64; i++) { |
564 |
if ((env->dtlb_tte[i] & 0x8000000000000000ULL) == 0) { |
565 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
566 |
env->dtlb_tte[i] = T1; |
567 |
return;
|
568 |
} |
569 |
} |
570 |
// Try finding an unlocked entry
|
571 |
for (i = 0; i < 64; i++) { |
572 |
if ((env->dtlb_tte[i] & 0x40) == 0) { |
573 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
574 |
env->dtlb_tte[i] = T1; |
575 |
return;
|
576 |
} |
577 |
} |
578 |
// error state?
|
579 |
return;
|
580 |
} |
581 |
case 0x5d: // D-MMU data access |
582 |
{ |
583 |
unsigned int i = (T0 >> 3) & 0x3f; |
584 |
|
585 |
env->dtlb_tag[i] = env->dmmuregs[6];
|
586 |
env->dtlb_tte[i] = T1; |
587 |
return;
|
588 |
} |
589 |
case 0x5f: // D-MMU demap |
590 |
case 0x49: // Interrupt data receive |
591 |
// XXX
|
592 |
return;
|
593 |
case 0x51: // I-MMU 8k TSB pointer, RO |
594 |
case 0x52: // I-MMU 64k TSB pointer, RO |
595 |
case 0x56: // I-MMU tag read, RO |
596 |
case 0x59: // D-MMU 8k TSB pointer, RO |
597 |
case 0x5a: // D-MMU 64k TSB pointer, RO |
598 |
case 0x5b: // D-MMU data pointer, RO |
599 |
case 0x5e: // D-MMU tag read, RO |
600 |
case 0x48: // Interrupt dispatch, RO |
601 |
case 0x7f: // Incoming interrupt vector, RO |
602 |
case 0x82: // Primary no-fault, RO |
603 |
case 0x83: // Secondary no-fault, RO |
604 |
case 0x8a: // Primary no-fault LE, RO |
605 |
case 0x8b: // Secondary no-fault LE, RO |
606 |
default:
|
607 |
return;
|
608 |
} |
609 |
} |
610 |
#endif
|
611 |
#endif /* !CONFIG_USER_ONLY */ |
612 |
|
613 |
#ifndef TARGET_SPARC64
|
614 |
void helper_rett()
|
615 |
{ |
616 |
unsigned int cwp; |
617 |
|
618 |
env->psret = 1;
|
619 |
cwp = (env->cwp + 1) & (NWINDOWS - 1); |
620 |
if (env->wim & (1 << cwp)) { |
621 |
raise_exception(TT_WIN_UNF); |
622 |
} |
623 |
set_cwp(cwp); |
624 |
env->psrs = env->psrps; |
625 |
} |
626 |
#endif
|
627 |
|
628 |
void helper_ldfsr(void) |
629 |
{ |
630 |
int rnd_mode;
|
631 |
switch (env->fsr & FSR_RD_MASK) {
|
632 |
case FSR_RD_NEAREST:
|
633 |
rnd_mode = float_round_nearest_even; |
634 |
break;
|
635 |
default:
|
636 |
case FSR_RD_ZERO:
|
637 |
rnd_mode = float_round_to_zero; |
638 |
break;
|
639 |
case FSR_RD_POS:
|
640 |
rnd_mode = float_round_up; |
641 |
break;
|
642 |
case FSR_RD_NEG:
|
643 |
rnd_mode = float_round_down; |
644 |
break;
|
645 |
} |
646 |
set_float_rounding_mode(rnd_mode, &env->fp_status); |
647 |
} |
648 |
|
649 |
void helper_debug()
|
650 |
{ |
651 |
env->exception_index = EXCP_DEBUG; |
652 |
cpu_loop_exit(); |
653 |
} |
654 |
|
655 |
#ifndef TARGET_SPARC64
|
656 |
void do_wrpsr()
|
657 |
{ |
658 |
PUT_PSR(env, T0); |
659 |
} |
660 |
|
661 |
void do_rdpsr()
|
662 |
{ |
663 |
T0 = GET_PSR(env); |
664 |
} |
665 |
|
666 |
#else
|
667 |
|
668 |
void do_popc()
|
669 |
{ |
670 |
T0 = (T1 & 0x5555555555555555ULL) + ((T1 >> 1) & 0x5555555555555555ULL); |
671 |
T0 = (T0 & 0x3333333333333333ULL) + ((T0 >> 2) & 0x3333333333333333ULL); |
672 |
T0 = (T0 & 0x0f0f0f0f0f0f0f0fULL) + ((T0 >> 4) & 0x0f0f0f0f0f0f0f0fULL); |
673 |
T0 = (T0 & 0x00ff00ff00ff00ffULL) + ((T0 >> 8) & 0x00ff00ff00ff00ffULL); |
674 |
T0 = (T0 & 0x0000ffff0000ffffULL) + ((T0 >> 16) & 0x0000ffff0000ffffULL); |
675 |
T0 = (T0 & 0x00000000ffffffffULL) + ((T0 >> 32) & 0x00000000ffffffffULL); |
676 |
} |
677 |
|
678 |
static inline uint64_t *get_gregset(uint64_t pstate) |
679 |
{ |
680 |
switch (pstate) {
|
681 |
default:
|
682 |
case 0: |
683 |
return env->bgregs;
|
684 |
case PS_AG:
|
685 |
return env->agregs;
|
686 |
case PS_MG:
|
687 |
return env->mgregs;
|
688 |
case PS_IG:
|
689 |
return env->igregs;
|
690 |
} |
691 |
} |
692 |
|
693 |
void do_wrpstate()
|
694 |
{ |
695 |
uint64_t new_pstate, pstate_regs, new_pstate_regs; |
696 |
uint64_t *src, *dst; |
697 |
|
698 |
new_pstate = T0 & 0xf3f;
|
699 |
pstate_regs = env->pstate & 0xc01;
|
700 |
new_pstate_regs = new_pstate & 0xc01;
|
701 |
if (new_pstate_regs != pstate_regs) {
|
702 |
// Switch global register bank
|
703 |
src = get_gregset(new_pstate_regs); |
704 |
dst = get_gregset(pstate_regs); |
705 |
memcpy32(dst, env->gregs); |
706 |
memcpy32(env->gregs, src); |
707 |
} |
708 |
env->pstate = new_pstate; |
709 |
} |
710 |
|
711 |
void do_done(void) |
712 |
{ |
713 |
env->tl--; |
714 |
env->pc = env->tnpc[env->tl]; |
715 |
env->npc = env->tnpc[env->tl] + 4;
|
716 |
PUT_CCR(env, env->tstate[env->tl] >> 32);
|
717 |
env->asi = (env->tstate[env->tl] >> 24) & 0xff; |
718 |
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff; |
719 |
set_cwp(env->tstate[env->tl] & 0xff);
|
720 |
} |
721 |
|
722 |
void do_retry(void) |
723 |
{ |
724 |
env->tl--; |
725 |
env->pc = env->tpc[env->tl]; |
726 |
env->npc = env->tnpc[env->tl]; |
727 |
PUT_CCR(env, env->tstate[env->tl] >> 32);
|
728 |
env->asi = (env->tstate[env->tl] >> 24) & 0xff; |
729 |
env->pstate = (env->tstate[env->tl] >> 8) & 0xfff; |
730 |
set_cwp(env->tstate[env->tl] & 0xff);
|
731 |
} |
732 |
#endif
|
733 |
|
734 |
void set_cwp(int new_cwp) |
735 |
{ |
736 |
/* put the modified wrap registers at their proper location */
|
737 |
if (env->cwp == (NWINDOWS - 1)) |
738 |
memcpy32(env->regbase, env->regbase + NWINDOWS * 16);
|
739 |
env->cwp = new_cwp; |
740 |
/* put the wrap registers at their temporary location */
|
741 |
if (new_cwp == (NWINDOWS - 1)) |
742 |
memcpy32(env->regbase + NWINDOWS * 16, env->regbase);
|
743 |
env->regwptr = env->regbase + (new_cwp * 16);
|
744 |
REGWPTR = env->regwptr; |
745 |
} |
746 |
|
747 |
void cpu_set_cwp(CPUState *env1, int new_cwp) |
748 |
{ |
749 |
CPUState *saved_env; |
750 |
#ifdef reg_REGWPTR
|
751 |
target_ulong *saved_regwptr; |
752 |
#endif
|
753 |
|
754 |
saved_env = env; |
755 |
#ifdef reg_REGWPTR
|
756 |
saved_regwptr = REGWPTR; |
757 |
#endif
|
758 |
env = env1; |
759 |
set_cwp(new_cwp); |
760 |
env = saved_env; |
761 |
#ifdef reg_REGWPTR
|
762 |
REGWPTR = saved_regwptr; |
763 |
#endif
|
764 |
} |
765 |
|
766 |
#ifdef TARGET_SPARC64
|
767 |
void do_interrupt(int intno) |
768 |
{ |
769 |
#ifdef DEBUG_PCALL
|
770 |
if (loglevel & CPU_LOG_INT) {
|
771 |
static int count; |
772 |
fprintf(logfile, "%6d: v=%04x pc=%016" PRIx64 " npc=%016" PRIx64 " SP=%016" PRIx64 "\n", |
773 |
count, intno, |
774 |
env->pc, |
775 |
env->npc, env->regwptr[6]);
|
776 |
cpu_dump_state(env, logfile, fprintf, 0);
|
777 |
#if 0
|
778 |
{
|
779 |
int i;
|
780 |
uint8_t *ptr;
|
781 |
|
782 |
fprintf(logfile, " code=");
|
783 |
ptr = (uint8_t *)env->pc;
|
784 |
for(i = 0; i < 16; i++) {
|
785 |
fprintf(logfile, " %02x", ldub(ptr + i));
|
786 |
}
|
787 |
fprintf(logfile, "\n");
|
788 |
}
|
789 |
#endif
|
790 |
count++; |
791 |
} |
792 |
#endif
|
793 |
#if !defined(CONFIG_USER_ONLY)
|
794 |
if (env->tl == MAXTL) {
|
795 |
cpu_abort(env, "Trap 0x%04x while trap level is MAXTL, Error state", env->exception_index);
|
796 |
return;
|
797 |
} |
798 |
#endif
|
799 |
env->tstate[env->tl] = ((uint64_t)GET_CCR(env) << 32) | ((env->asi & 0xff) << 24) | |
800 |
((env->pstate & 0xfff) << 8) | (env->cwp & 0xff); |
801 |
env->tpc[env->tl] = env->pc; |
802 |
env->tnpc[env->tl] = env->npc; |
803 |
env->tt[env->tl] = intno; |
804 |
env->pstate = PS_PEF | PS_PRIV | PS_AG; |
805 |
env->tbr &= ~0x7fffULL;
|
806 |
env->tbr |= ((env->tl > 1) ? 1 << 14 : 0) | (intno << 5); |
807 |
if (env->tl < MAXTL - 1) { |
808 |
env->tl++; |
809 |
} else {
|
810 |
env->pstate |= PS_RED; |
811 |
if (env->tl != MAXTL)
|
812 |
env->tl++; |
813 |
} |
814 |
env->pc = env->tbr; |
815 |
env->npc = env->pc + 4;
|
816 |
env->exception_index = 0;
|
817 |
} |
818 |
#else
|
819 |
void do_interrupt(int intno) |
820 |
{ |
821 |
int cwp;
|
822 |
|
823 |
#ifdef DEBUG_PCALL
|
824 |
if (loglevel & CPU_LOG_INT) {
|
825 |
static int count; |
826 |
fprintf(logfile, "%6d: v=%02x pc=%08x npc=%08x SP=%08x\n",
|
827 |
count, intno, |
828 |
env->pc, |
829 |
env->npc, env->regwptr[6]);
|
830 |
cpu_dump_state(env, logfile, fprintf, 0);
|
831 |
#if 0
|
832 |
{
|
833 |
int i;
|
834 |
uint8_t *ptr;
|
835 |
|
836 |
fprintf(logfile, " code=");
|
837 |
ptr = (uint8_t *)env->pc;
|
838 |
for(i = 0; i < 16; i++) {
|
839 |
fprintf(logfile, " %02x", ldub(ptr + i));
|
840 |
}
|
841 |
fprintf(logfile, "\n");
|
842 |
}
|
843 |
#endif
|
844 |
count++; |
845 |
} |
846 |
#endif
|
847 |
#if !defined(CONFIG_USER_ONLY)
|
848 |
if (env->psret == 0) { |
849 |
cpu_abort(env, "Trap 0x%02x while interrupts disabled, Error state", env->exception_index);
|
850 |
return;
|
851 |
} |
852 |
#endif
|
853 |
env->psret = 0;
|
854 |
cwp = (env->cwp - 1) & (NWINDOWS - 1); |
855 |
set_cwp(cwp); |
856 |
env->regwptr[9] = env->pc;
|
857 |
env->regwptr[10] = env->npc;
|
858 |
env->psrps = env->psrs; |
859 |
env->psrs = 1;
|
860 |
env->tbr = (env->tbr & TBR_BASE_MASK) | (intno << 4);
|
861 |
env->pc = env->tbr; |
862 |
env->npc = env->pc + 4;
|
863 |
env->exception_index = 0;
|
864 |
} |
865 |
#endif
|
866 |
|
867 |
#if !defined(CONFIG_USER_ONLY)
|
868 |
|
869 |
#define MMUSUFFIX _mmu
|
870 |
#define GETPC() (__builtin_return_address(0)) |
871 |
|
872 |
#define SHIFT 0 |
873 |
#include "softmmu_template.h" |
874 |
|
875 |
#define SHIFT 1 |
876 |
#include "softmmu_template.h" |
877 |
|
878 |
#define SHIFT 2 |
879 |
#include "softmmu_template.h" |
880 |
|
881 |
#define SHIFT 3 |
882 |
#include "softmmu_template.h" |
883 |
|
884 |
|
885 |
/* try to fill the TLB and return an exception if error. If retaddr is
|
886 |
NULL, it means that the function was called in C code (i.e. not
|
887 |
from generated code or from helper.c) */
|
888 |
/* XXX: fix it to restore all registers */
|
889 |
void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr) |
890 |
{ |
891 |
TranslationBlock *tb; |
892 |
int ret;
|
893 |
unsigned long pc; |
894 |
CPUState *saved_env; |
895 |
|
896 |
/* XXX: hack to restore env in all cases, even if not called from
|
897 |
generated code */
|
898 |
saved_env = env; |
899 |
env = cpu_single_env; |
900 |
|
901 |
ret = cpu_sparc_handle_mmu_fault(env, addr, is_write, is_user, 1);
|
902 |
if (ret) {
|
903 |
if (retaddr) {
|
904 |
/* now we have a real cpu fault */
|
905 |
pc = (unsigned long)retaddr; |
906 |
tb = tb_find_pc(pc); |
907 |
if (tb) {
|
908 |
/* the PC is inside the translated code. It means that we have
|
909 |
a virtual CPU fault */
|
910 |
cpu_restore_state(tb, env, pc, (void *)T2);
|
911 |
} |
912 |
} |
913 |
cpu_loop_exit(); |
914 |
} |
915 |
env = saved_env; |
916 |
} |
917 |
|
918 |
#endif
|